remove commented out code

Author: vladak

opengrok-indexer/src/main/java/org/opengrok/indexer/history/FileHistoryCache.java

@@ -239,7 +239,6 @@ public static void writeTagsTo(File outputFile, History history) throws IOExcept
         smileFactory.configure(SmileGenerator.Feature.CHECK_SHARED_STRING_VALUES, false);
 
         ObjectMapper mapper = new SmileMapper(smileFactory);
-        // ObjectMapper mapper = new JsonMapper();
         ObjectWriter objectWriter = mapper.writer().forType(HashMap.class);
 
         try (OutputStream outputStream = new BufferedOutputStream(new FileOutputStream(outputFile))) {
@@ -255,7 +254,6 @@ private static ObjectWriter getObjectWriter() {
         smileFactory.configure(SmileGenerator.Feature.CHECK_SHARED_STRING_VALUES, false);
 
         ObjectMapper mapper = new SmileMapper(smileFactory);
-        // ObjectMapper mapper = new JsonMapper();
         return mapper.writer().forType(HistoryEntry.class);
     }